Base | Representation |
---|---|
bin | 11001100000010… |
… | …00001001000000 |
3 | 112220120102102012 |
4 | 30300020021000 |
5 | 414232132343 |
6 | 33121312052 |
7 | 5205325040 |
oct | 1460101100 |
9 | 486512365 |
10 | 213942848 |
11 | aa846479 |
12 | 5b795628 |
13 | 35429702 |
14 | 205b1720 |
15 | 13bb0718 |
hex | cc08240 |
213942848 has 28 divisors (see below), whose sum is σ = 485192832. Its totient is φ = 91689600.
The previous prime is 213942829. The next prime is 213942853. The reversal of 213942848 is 848249312.
It is a tau number, because it is divible by the number of its divisors (28).
It is a super-2 number, since 2×2139428482 = 91543084420702208, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238328 + ... + 239223.
Almost surely, 2213942848 is an apocalyptic number.
213942848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
213942848 is an abundant number, since it is smaller than the sum of its proper divisors (271249984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213942848 is an equidigital number, since it uses as much as digits as its factorization.
213942848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 477570 (or 477560 counting only the distinct ones).
The product of its digits is 110592, while the sum is 41.
The square root of 213942848 is about 14626.7852927429. The cubic root of 213942848 is about 598.0891505137.
It can be divided in two parts, 21394 and 2848, that added together give a palindrome (24242).
The spelling of 213942848 in words is "two hundred thirteen million, nine hundred forty-two thousand, eight hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.033 sec. • engine limits •